نتایج جستجو برای: synthesis dynamic light scattering dls

تعداد نتایج: 1270176  

2016
Mohammad Aghazadeh Meshgi Manfred Kriechbaum Subhajit Biswas Justin D Holmes Christoph Marschner

The synthesis of size-monodispersed indium nanoparticles via an innovative simultaneous phase transfer and ripening method is reported. The formation of nanoparticles occurs in a one-step process instead of well-known two-step phase transfer approaches. The synthesis involves the reduction of InCl3 with LiBH4 at ambient temperature and although the reduction occurs at room temperature, fine ind...

2011
Vinay Jain

Ionizing radiations are known to challenge the integrity of the genome, by inducing several lesions like double strand breaks, single strand breaks and oxidative base damages in the DNA. Eukaryotic DNA is packaged inside the nucleus in the form of chromatin, which is formed by the interaction of histone proteins with DNA. Higher order chromatin structure acts as a barrier to the detection and r...

Journal: :The Review of scientific instruments 2010
Ian D Block Frank Scheffold

Accurate characterization using static light scattering (SLS) and dynamic light scattering (DLS) methods mandates the measurement and analysis of singly scattered light. In turbid samples, the suppression of multiple scattering is therefore required to obtain meaningful results. One powerful technique for achieving this, known as 3D cross-correlation, uses two simultaneous light scattering expe...

Journal: :journal of ultrafine grained and nanostructured materials 2013
vahideh t. kajineh baf hosein sarpoulaki

the nanostructured anatase tio2 with high thermal stability was prepared by polymeric sol-gel method without any additives. the particle size distribution of polymeric titania sol was determined by dynamic light scattering (dls). then properties of obtained titania were investigated by tg-dta, xrd, fesem and tem. also, the decolorization capability of resultant anatase was evaluated using methy...

Journal: :Advanced materials proceedings 2021

The current study reports biogenic synthesis of silver nanoparticles from Elettaria cardamomum. leaf extract was used as reducing and capping agent for nanoparticle parent solution nitrate. Nanoparticle suspension characterized mainly using UV-Visible spectroscopy. Synthesis parameters namely, time, metal ion concentration, quantity, reaction temperature pH are well known to affect the final pr...

The present study aims at study on combined effect of zinc oxide nanoparticles (ZnO) with common agricultural fungicides. Nanoparticles were synthesized using chemical reduction process and characterized by UV-Visible spectroscopy, X-ray diffraction (XRD), Dynamic Light Scattering (DLS) and Transmission Electron Microscopy (TEM). Synthesized nanoparticles were observed to be in size range of 12...

Journal: :Methods in molecular biology 2007
Gloria E O Borgstahl

Dynamic light scattering (DLS) has become one of the most useful diagnostic tools for crystallization. The main purpose of using DLS in crystal screening is to help the investigator understand the size distribution, stability, and aggregation state of macromolecules in solution. It can also be used to understand how experimental variables influence aggregation. With commercially available instr...

Journal: Journal of Nanoanalysis 2017

In this paper, Chitosan-copper nanoparticles were successfully coated onto the Kraft paperusing a dip coating process. First, chitosan-copper nanoparticles solution was prepared byreduction method and the use of ultrasonic radiation. It was employed copper sulphate pentahydrateas precursor salt, NaOH as a reducing agent and Chitosan as capping agent to prepareChitosan-copper nanoparticles solut...

2012
Dominik Oberthuer Emilio Melero-García Karsten Dierks Arne Meyer Christian Betzel Alfonso Garcia-Caballero Jose A. Gavira

In this paper, we demonstrate the feasibility of using in situ Dynamic Light Scattering (DLS) to monitor counter-diffusion crystallization experiments in capillaries. Firstly, we have validated the quality of the DLS signal in thin capillaries, which is comparable to that obtained in standard quartz cuvettes. Then, we have carried out DLS measurements of a counter-diffusion crystallization expe...

2012
GUOQIANG ZHOU WENYING WANG

A simple and inexpensive, single step synthesis of silver nanoparticles was achieved using sodium citrate both as a reducing and capping agent. Silver nanoparticles were synthesized by injecting sodium citrate solution into the solution of silver nitrate at high temperature. The synthetic process was carried out in aqueous solution, making the method versatile and ecofriendly. The synthesized s...

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